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Thor Motor Coach ACE

Model years 2011–2023 in the US safety record. No model year stands out in owner complaints. Fewest complaints: 2013, 2019, 2023.

35owner complaints
12recall campaigns
23service bulletins
13model years on record

Complaints by model year

Each bar is one model year. The most recent years are still collecting complaints.

’11’13’15’17’19’21’23’11’14’17’20’23

NHTSA ODI complaints (public domain) · updated 23 Oct 2026

Year by year

Model yearComplaintsRecallsBulletinsCrashes · fires
20231000 · 0
20223120 · 0
20213120 · 0
20200120 · 0
20192010 · 0
20185320 · 0
20173420 · 0
2016 ACE7520 · 0
2015 ACE5420 · 1
20143420 · 0
20133320 · 2
20120220 · 0
20110120 · 0

A model year gets its own page when it has enough data for at least three sections

Most common problems

  • Electrical system9
  • Unknown or other6
  • Structure5
  • Latches/locks/linkages5
  • Engine4
  • Visibility/wiper3
  • Suspension3
  • Service brakes3

NHTSA ODI complaints, all model years

Recalls

12 campaigns cover the ACE.

22V076000 · Structure10 Feb 2022 · 2022

Thor Motor Coach (TMC) is recalling certain 2022 ACE, Freedom Traveler, Hurricane, and Windsport motorhomes. The rear ladder may have been installed on the wrong side of the motorhome.

20V339000 · Visibility9 Jun 2020 · 2020, 2021

Thor Motor Coach (TMC) is recalling certain 2020-2021 ACE, 2021 Four Winds and 2020 Gemini, Axis, Compass, Delano, Windsport, Hurricane, Outlaw, and Vegas motorhomes. The adhesive bond between the glass and the metal hinge frame of the frameless windows may fail which would then allow the glass to detach and fall out.

18V705000 · Visibility9 Oct 2018 · 2013

Thor Motor Coach (TMC) is recalling certain 2013 Thor Ace, Daybreak, Challenger, Windsport, Hurricane, Outlaw, Tuscany, and Palazzo motorhomes. The windshield wiper system may have been incorrectly installed, causing the wipers to fail during use, reducing driver visibility.

18V498000 · Equipment30 Jul 2018 · 2018

Thor Motor Coach (TMC) is recalling certain 2018 Thor Ace 27.2 recreational vehicles. The rubber liquid propane (LP) hose may sag and contact the tire in the wheel well.

17V758000 · Equipment22 Nov 2017 · 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or excessive force may be needed to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf

17V692000 · Exterior lighting2 Nov 2017 · 2018

Thor Motor Coach (TMC) is recalling certain 2018 Ace, Axis, Hurricane, Windsport, and Vegas motorhomes. The wiring for the trailer lights may have been inserted into the wrong locations of the trailer lighting socket causing the trailer lights to not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

17V555000 · Visibility7 Sept 2017 · 2014, 2015, 2016

Thor Motor Coach (TMC) is recalling certain 2014-2016 Ace, Challenger, Daybreak, Hurricane, Miramar, Outlaw, Windsport, Palazzo, Tuscany, and Tuscany XTE motorhomes. The windshield wipers may fail due to the system being incorrectly installed or secured.

17V239000 · Equipment10 Apr 2017 · 2017

Thor Motor Coach (TMC) is recalling certain 2017 Ace, Hurricane, and Windsport motorhomes. The weight rating labels for the tow hitches on these vehicles indicate a 10,000lb weight capacity when the actual hitch capacity is 8,000lbs.

17V162000 · Visibility13 Mar 2017 · 2014, 2015, 2016

Thor Motor Coach (TMC) is recalling certain 2014-2015 ACE, Hurricane, Challenger, Daybreak, Miramar, Outlaw, and Windsport motorhomes. These vehicles have windshield wiper systems that may have been improperly installed and secured, possibly causing the wipers to fail during use.

16V571000 · Equipment2 Aug 2016 · 2012, 2013, 2014, 2015, 2016, 2017

Thor Motor Coach (Thor) is recalling certain model year 2012-2017 Ace, 2013 Citation, 2012-2013 Siesta and 2017 Four Winds and Road Bear Rental motorhomes. The affected vehicles are equipped with shower curtains that may not adequately resist catching fire in the presence of an ignition source. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 302, "Flammability of Interior Materials."

16V260000 · Seat belts29 Apr 2016 · 2017

Thor Motor Coach (TMC) is recalling certain model year 2017 ACE and Road Bear Rental motorhomes manufactured February 11, 2016, to March 9, 2016. The seat belt anchorages located in the slide out section may not meet the specified strength requirements, allowing them to pull loose during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."

15V719000 · Power train30 Oct 2015 · 2016

Thor Motor Coach (TMC) is recalling certain model year 2016 Ace, Challenger, Hurricane, Miramar, Outlaw, and Windsport vehicles manufactured July 14, 2015, to October 16, 2015. Due to an incorrect shift cable bracket and an improper shift cable adjustment, the affected vehicles can be shifted out of 'PARK' without applying the brakes.

NHTSA recalls